Derek Chollet served in senior positions in the Obama Administration at the White House, State Department, and Pentagon. Currently the executive vice president of the German Marshall Fund of the United States, he is also a visiting scholar at the University of Pennsylvania's Perry World House.
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When thinking about America's role in the world, Dwight Eisenhower, George H. W. Bush, and Barack Obama may not seem to have a lot in common. But they do. While divided by background, generation, and political party, they exemplify a distinct and underapp... SEE MORE